Energy Performance Certificate
11, Gresswell Close
DA14 4AP
SIDCUP
Current
D
56
Potential
C
72
At a Glance
About This Property
This semi-detached flat is located in SIDCUP, DA14 4AP. The property offers 52m² (560 sq ft) of modest-sized living space with 3 habitable rooms. It is a post-war property from the mid-20th century. With an EPC rating of D (56/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (72/100). Underfloor heating provides even heat distribution and works particularly well with heat pumps due to the lower water temperatures required. The walls feature cavity wall insulation for improved thermal efficiency. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £783, comprising £508 for heating, £228 for hot water, and £47 for lighting. The property produces 3.9 tonnes of CO2 per year, which is low for a UK home. For landlords: This rental property with a D rating is positioned above the current minimum standard. With proposed changes to require a C rating by 2028, modest improvements now could future-proof your compliance.
How Does 11, Gresswell Close Compare?
With an energy efficiency score of 56/100, this SIDCUP property is around the national average for UK homes. Annual energy costs of £783 are approximately £1017 below the UK average of £1800, representing significant savings. With 52m² of space, this is a more compact property compared to the UK average of 87m². At 3.9 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the DA14 postcode district.
How This Property Compares
vs UK Average
vs SIDCUP
vs DA14
National Ranking: With an EPC score of 56/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £88/year more than the SIDCUP average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 29 Jul 2016
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Property Information
Full Address
11, Gresswell Close
DA14 4AP
SIDCUP
Property Type
Flat
Semi-Detached
Construction Age
England and Wales: 1967-1975
Floor Area
52.0 m²
3.0 total rooms
3.0 heated
Tenure
rental (private)
Efficiency Score
56 / 100
Potential: 72
CO₂ Emissions
3.9 tonnes/year
74 kg/m²
Energy Consumption
440 kWh/m²/year
Last Inspected
29 Jul 2016
rental (private)
About SIDCUP
SIDCUP is situated in Kent, South East. Properties in SIDCUP have an average EPC rating of D (score 59/100). The DA14 postcode district contains over 8200 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Electric underfloor heating
£508.0/yr
Save £258/yr
Hot Water
£228.0/yr
Save £36/yr
Lighting
86.0% low energy
£47.0/yr
Building Elements
Walls
Cavity wall, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Electric underfloor heating
Main Fuel
electricity (not community)
Lighting
Low energy lighting in 86% of fixed outlets
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💰 Save £802/year
With 3 selected upgrades
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Your Savings Today
£802/yr
£8,020 over 10 years
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£802/yr
£8,020 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
New A-Rated Boiler
Your heating is rated Poor. Compare local boiler installers.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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📊 Compare with UK-Wide Property Data
See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Nearby Schools
Within 3 miles of this property
Birkbeck Primary School
PrimaryLast inspected: Feb 2018
Chislehurst and Sidcup Grammar School
SecondaryLast inspected: Dec 2022
Holy Trinity Lamorbey Church of England School
PrimaryLast inspected: Oct 2023
Burnt Oak Junior School
PrimaryLast inspected: Jul 2018
Longlands Primary School
PrimaryLast inspected: Mar 2019
Cleeve Park School
SecondaryLast inspected: Nov 2021
Chatsworth Infant School
PrimaryLast inspected: Sept 2019
Hurstmere School
SecondaryLast inspected: Sept 2022
About school ratings: Ofsted ratings range from Outstanding to Inadequate. These ratings are based on inspections of teaching quality, leadership, pupil behavior, and safety. Note that school catchment areas vary - check with the school or local council for admission details.
Data source: School information from Get Information About Schools (GIAS). Distances are approximate. Always verify school catchment areas directly with the school or local education authority.
Broadband & Connectivity
Average download speed: 500 Mbps
Download Speed
Upload Speed
Available Providers
What do these speeds mean? 10-30 Mbps: Good for browsing and streaming. 30-100 Mbps: Great for multiple users and HD streaming. 100-300 Mbps: Excellent for 4K streaming and gaming. 300+ Mbps: Perfect for large households and heavy internet use.
Data source: Broadband speeds are from Ofcom Connected Nations 2025 report (July 2025 release). Data shows typical speeds available in this postcode area. Actual speeds at this specific property may vary depending on line quality, distance from exchange, and chosen provider. Always verify availability with providers before committing.
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Related Property Guides
Based on this property's characteristics, these guides might help you:
How to Improve Your EPC Rating →
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Air Source Heat Pumps vs Gas Boilers →
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
EPC Requirements for Landlords 2025 →
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About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented. Learn more about EPCs or book an EPC assessment.
Cost estimates are approximate and actual savings may vary. Find local tradesmen to get accurate quotes for improvements.
Data Sources: This report contains public sector information licensed under the Open Government Licence v3.0.
Data from: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, and Police.uk crime statistics.